Number of frieze patterns of length n under a certain group (see Pisanski et al. for precise definition).

A123046

Number of frieze patterns of length n under a certain group (see Pisanski et al. for precise definition).

Terms

    a(0) =0a(1) =1a(2) =4a(3) =6a(4) =23a(5) =52a(6) =194a(7) =586a(8) =2131a(9) =7286a(10) =26524a(11) =95326a(12) =350738a(13) =1290556a(14) =4798174a(15) =17895736a(16) =67127315a(17) =252645136a(18) =954510114a(19) =3616814566a(20) =13744183772a(21) =52357696956a(22) =199912348954a(23) =764877654106

External references